picotls:fuzz-client-hello: Stack-use-after-scope in derive_secret_with_hash

Project: https://github.com/h2o/picotls.git Detailed Report: https://oss-fuzz.com/testcase?key=6025632696893440 Project: picotls Fuzzing Engine: afl Fuzz Target: fuzz-client-hello Job Type: aflasanpicotls Platform Id: linux Crash Type: Stack-use-after-scope WRITE 8 Crash Address: 0x7ffe54445f00...